Rotavirus commonly infects children and infants causing severe diarrhea and vomiting leading to potentially fatal dehydration.2 Two rotavirus vaccines are available for the prevention of rotavirus gastroenteritis, Rotateq and Rotarix. Rotateq is a live vaccine consisting of 5 reassorted human-bovine viral strains.1 Rotarix is a live attenuated vaccine containing the 89-12 human strain.Label Rotavirus vaccines are 90% effective in protecting against severe rotavirus infection.2